Fast connecting device realizing heavy current charge and discharge

Abstract

The invention discloses a fast connecting device realizing heavy current charge and discharge; the fast connecting device comprises a fixed seat and a movable seat; the fixed seat comprises a fixed pedestal; a wedge form female end is fixed in the fixed pedestal; the movable seat comprises a movable pedestal; a wedge form male end is fixed in the movable pedestal; the wedge form male end inserts the wedge form female end, the wedge form female end wraps left, right and front end faces of the wedge form male end so as to form a mutually attached electric connecting structure; a buckling mechanism is arranged between the movable seat and the fixed seat, and pulled to push the movable seat to move to the fixed seat so as to form firm connection. The wedge form female end and the wedge form male end can realize multi-aspect electric connections via an insertion and matching mode, thus providing a much greater conductive contact area when compared with a conventional spring form; a spring buckle is arranged outside the connecting device so as to keep firm connection, thus enabling the wedge form female end to always firmly wrap the wedge form male end, keeping the electric connection stability, and realizing fast charging / discharging connection of heavy currents above 100A.

Description

technical field [0001] The invention relates to the technical field of electrical connection devices, in particular to a connection device used in the lithium battery industry to realize high-current charging and discharging, which can be applied to the new energy industry to charge lithium batteries. The high current referred to here is generally a current above 100A. Such as 100-300A. Background technique [0002] In the new energy industry, lithium batteries are widely used energy carriers, which are widely used in various equipment such as automobiles. At present, there are still some urgent problems to be solved in the application process of the lithium battery industry, among which the long charging time is a major problem. In order to increase the charging speed, increasing the charging current is the main solution. For example, the charging current of lithium batteries for electric vehicles generally reaches more than 100A, or even 300A. In the case of such a large...

AI Technical Summary

Problems solved by technology

However, most of the connector devices currently used for high-current charging and discharging still use the shrapnel contact method. Since the shrapnel contact method is usually point contact, line contact or small surface contact, the ability to conduct large currents is small; at the same time, due to The connector does not have a special fastening structure designed to maintain the contact of the shrapnel, so the current connector is not only bulky, but also not stable enough during use, especially after a long time of use, it is prone to disconnection

Images